Re: Why we like abstraction

Posted by cadet1620 on Jun 18, 2012; 4:48am
URL: http://nand2tetris-questions-and-answers-forum.52.s1.nabble.com/Why-we-like-abstraction-tp1914023p4025006.html

I drew the schematic with ExpressSCH, a part of ExpressPCB which is a free circuit board design tool for Windows.

Basically, I designed and drew a 1-bit ALU, then cut and pasted it into a 16-bit ALU, and then added the circuitry for the status bits.

--Mark